Protech 51-23017-42 Blower Motor 3/4 HP 115V 1075 RPM. This is a New Protech 51-23017-42 Blower Motor 3/4 HP 115V 1075 RPM. It is designed for HVAC equipment, providing reliable performance with a 1/4 to 3/4 HP range, 1 phase, and 4-speed operation. Voltage: 115V, Speed: 1075 RPM, Amperage: 9.5 A. Frame Size: NEMA 48, Rotation: CCW/CW. Find one of our products cheaper elsewhere? We will beat the price. Feel free to make an offer.